Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET 25 (msg:"ET MALWARE Possible Infection Report Mail - Indy Mail lib and No Message Body - Priority 1"; flow:established,to_server; content:"|0d 0a|X-Priority|3a| 1|0d 0a|X-Library|3a| Indy "; content:"|0d 0a 0d 0a 2e 0d 0a|"; within:30; classtype:trojan-activity; sid:2007611; rev:8; metadata:created_at 2010_07_30, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)